html,body,div,span,iframe,h1,h2,h3,h4,h5,h6,p,a,em,font,img,strong,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,p{
 margin: 0;
 padding: 0;
 border: 0;
 box-sizing: content-box;
}
ul,li,dl,dt,dd{
    list-style: none;
}
body{
    font-size: 15px;
    /*font-family: "微软雅黑";*/
    font-family: Helvetica, Tahoma, Arial, "Microsoft YaHei", "微软雅黑", SimSun, "宋体", STXihei, "华文细黑", Heiti, "黑体", sans-serif;
    color: #3e3e3e;
    position: relative
}
a{
    color: #3e3e3e;
    font-size: 12px;
    text-decoration: none;
}
html,body{
    height: 100%;
}
.all{
    width: 100%;
    height: 100%;
}
.header{
    height: 60px;
    width: 100%;
    background: #333;
}
.header-left{
    width: 40%;
    padding-left: 10%;
    float: left;
    text-align: left;
    padding-top: 10px;
}
.header-right{
    width: 40%;
    padding-right: 10%;
    float: left;
    text-align: right;
    padding-top: 10px;
}
.btn{
    line-height: 30px;
    background: transparent;
    border: 1px solid #ccc;
    border-radius: 3px;
    margin: 0 20px;
    color: #fff;
}
.content-left{
    width: 49%;
    float: left;
    text-align: left;
    padding-top: 10px;
    border-right: 1px solid #ccc;
}
.content-right{
    width: 50%;
    float: left;
    text-align: right;
    padding-top: 10px;
}
table{
    margin-left: 50px;
    margin-top: 50px;
    border-collapse: collapse;
}
table tr:nth-child(1){
    background: #f2f2f2;
}
table tr td{
    border: 1px solid #ccc;
    padding: 5px 8px;
}
